<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342025000600102</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v16i6.3736</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización morfológica de la colección nacional de yuca para fines de conservación en el INIA, Perú]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphological characterization of the national cassava collection for conservation purposes at the NIAI, Peru]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcelo-Salvador]]></surname>
<given-names><![CDATA[Mavel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Celestino-Avelino]]></surname>
<given-names><![CDATA[Doris]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Huaytalla]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Liza]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Innovación Agraria Estación Experimental Agraria Donoso Huaral ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional José Faustino Sánchez Carrión Departamento de Agronomía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2025</year>
</pub-date>
<volume>16</volume>
<numero>6</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342025000600102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342025000600102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342025000600102&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de la investigación fue caracterizar morfológicamente la colección nacional de yuca (Manihot esculenta Crantz) del Instituto Nacional de Innovación Agraria (INIA), Perú para fines de conservación. El estudio se realizó en la estación experimental del INIA en Huaral (Lima), se instalaron parcelas de observación con una distribución sistemática de 741 accesiones en el campo experimental. Según el desarrollo del cultivo se realizó la evaluación y caracterización usando descriptores elaborados por los curadores del Instituto Nacional de Innovación Agraria. Se utilizó el análisis de conglomerado jerárquico para los parámetros utilizados en la caracterización y se calcularon las frecuencias absolutas y relativas para los descriptores cualitativos. Posteriormente se realizó un análisis de componentes principales, para examinar la asociación entre los caracteres. Los parámetros cuantitativos y cualitativos permitieron discriminar entre los genotipos y establecer grupos de accesiones según sus características de similitud utilizando descriptores desarrollados por Instituto Nacional de Innovación Agraria. Dentro de las accesiones conservadas del banco de germoplasma de yuca se halló variabilidad morfológica y se identificaron 12 accesiones promisorias, con potencial de uso para el mejoramiento genético, aptas para el consumo humano y para la seguridad alimentaria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The research aimed to morphologically characterize the national collection of cassava (Manihot esculenta Crantz) of the National Institute of Agrarian Innovation (NIAI), Peru for conservation purposes. The study was conducted at the NIAI experimental station in Huaral (Lima); observation plots were installed with a systematic distribution of 741 accessions in the experimental field. Depending on the development of the crop, the evaluation and characterization were carried out using descriptors prepared by the curators of the National Institute of Agrarian Innovation. Hierarchical cluster analysis was used for the parameters used in the characterization and absolute and relative frequencies were calculated for the qualitative descriptors. Subsequently, a principal component analysis was performed to examine the association between the traits. The quantitative and qualitative parameters allowed discrimination between genotypes and establishing groups of accessions according to their similar characteristics using descriptors developed by the National Institute of Agrarian Innovation. Morphological variability was found among the conserved accessions of the cassava germplasm bank, and 12 promising accessions with potential for use for genetic improvement, suitable for human consumption and for food security, were identified.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Manihot esculenta]]></kwd>
<kwd lng="es"><![CDATA[accesiones]]></kwd>
<kwd lng="es"><![CDATA[análisis de agrupamiento]]></kwd>
<kwd lng="es"><![CDATA[análisis de componentes principales]]></kwd>
<kwd lng="es"><![CDATA[germoplasma]]></kwd>
<kwd lng="en"><![CDATA[Manihot esculenta]]></kwd>
<kwd lng="en"><![CDATA[accessions]]></kwd>
<kwd lng="en"><![CDATA[clustering analysis]]></kwd>
<kwd lng="en"><![CDATA[germplasm]]></kwd>
<kwd lng="en"><![CDATA[principal component analysis]]></kwd>
</kwd-group>
</article-meta>
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